- From: David Schleef <ds_at_schleef.org>
- Date: Wed, 5 Mar 2003 19:24:25 -0800
On Wed, Mar 05, 2003 at 09:12:05PM -0500, Kenneth Jacker wrote: > I'm using RTAI modules and COMEDI. > > "linux/comedilib.h" contains the following: > > /* these functions may not be called at real-time priority */ > > comedi_t *comedi_open(const char *path); > int comedi_close(comedi_t *dev); > ... ... ... > > > What is meant by the phrase "at real-time priority" ... from a > task/thread? If so, at what priority does "init_module()" run? init_module() runs at normal kernel priority, or to be specific, user-process-in-kernel-context priority. The casual user will almost always call comedi_open() inside init_module(). And likewise, comedi_close() in cleanup_module(). dave...
Received on 2003-03-06Z03:24:25